// convert.cpp -- converts stone to pounds#include <iostream>int stonetolb(int);     // function prototypeint main(){    using namespace std;    int stone;    cout << "Enter the weight in stone: ";    cin >> stone;    int pounds = stonetolb(stone);    cout << stone << " stone = ";    cout << pounds << " pounds." << endl;    return 0;}int stonetolb(int sts){     return 14 * sts;}